M. Johnson vs. Charlie Sproull — Career Comparison

On the career pitching numbers, Charlie Sproull posted a stronger line than M. Johnson. Charlie Sproull posted stronger numbers in ERA (5.94 vs 18) and WHIP (1.826 vs 3.333). By the career numbers, Charlie Sproull had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.